Abstract:
:Previously, we developed technology that coupled high-speed chronoamperometry with microejections of dopamine (DA) to measure DA clearance in the brains of freely-behaving rats. Here, by varying the ejection volumes of DA across a 200-fold difference, the kinetics of striatal clearance were analyzed as a function of time and DA volume from 289 chronoamperometric signals (n=20 rats). Each DA clearance trace was fitted to a first-order exponential decay function to determine the rate constant for DA clearance (k). Additionally, the apparent Michaelis-Menten V(max) and K(m) kinetic constants were determined in freely-moving rats, enabling quantitative comparison of our values with other models of reuptake. The first-order rate constant for DA clearance, which reflects the V(max)/K(m) ratio or clearance efficiency, did not vary significantly when small volumes of DA were ejected resulting in peak DA signal amplitudes (A(max)) of <5 microM. However, following nomifensine-induced DAT inhibition, A(max) was increased and k was attenuated simultaneously with behavioral activation; and A(max) and behavior remained elevated beyond the initial period. Our results indicate that the analysis of kinetic parameters from chronoamperometric DA signals may be useful for investigating drug-induced regulation of DAT kinetics in relation to the behavior of freely-moving rats.
journal_name
J Neurosci Methodsjournal_title
Journal of neuroscience methodsauthors
Sabeti J,Adams CE,Burmeister J,Gerhardt GA,Zahniser NRdoi
10.1016/s0165-0270(02)00229-7subject
Has Abstractpub_date
2002-11-15 00:00:00pages
41-52issue
1eissn
0165-0270issn
1872-678Xpii
S0165027002002297journal_volume
121pub_type
杂志文章abstract::We describe a modification of the Harper-McGinty microdrive for use with extracellular, microwire recording in conscious, chronically prepared rabbits. Improvements over existing designs are in ease of assembly and mechanical stability. The microdrive is easily fabricated with hand tools and readily available parts. I...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2005.10.020
更新日期:2006-06-15 00:00:00
abstract::The most direct evaluation of human brain activity has been obtained from intracranial electrodes placed either on the surface of the brain or inserted into the brain to record from deep brain structures. Currently, the placement of intracranial electrodes implies transcranial surgery, either through a burr hole or a ...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2012.12.027
更新日期:2013-03-30 00:00:00
abstract:BACKGROUND:Transcranial magnetic stimulation (TMS) can be paired with functional magnetic resonance imaging (fMRI) in concurrent TMS-fMRI experiments. These multimodal experiments enable causal probing of network architecture in the human brain which can complement alternative network mapping approaches. Critically, me...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2019.108400
更新日期:2019-11-01 00:00:00
abstract:BACKGROUND:Transcranial magnetic stimulation (TMS) can evaluate cortical excitability and integrity of motor pathways via TMS-induced responses. The responses are affected by the orientation of the stimulated neurons with respect to the direction of the TMS-induced electric field. Therefore, besides being a functional ...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2015.08.028
更新日期:2015-12-30 00:00:00
abstract::The properties of 4 types of carbon electrodes designed for use as in vivo sensors of easily oxidized species in the mammalian brain have been evaluated in aqueous solutions at physiological pH. The electrodes are formed from a graphite-epoxy mixture, carbon paste, or carbon fibers, and have the geometries of a disk o...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/0165-0270(84)90058-x
更新日期:1984-03-01 00:00:00
abstract::It is often helpful to display analogue signals such as electromyograms, electroencephalograms, nerve action potentials, etc., in a regular vertical array. A special case of this display is the widely-used dot raster. This paper describes a simple circuit which enables up to 31 analogue signals to be thus displayed on...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/0165-0270(86)90009-9
更新日期:1986-03-01 00:00:00
abstract::NeuroMaps (2010) is a Web-based application that enables investigators to map data from macaque studies to a canonical atlas of the macaque brain. It currently serves as an image processor enabling them to create figures suitable for publication, presentation and archival purposes. Eventually it will enable investigat...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2010.11.028
更新日期:2011-02-15 00:00:00
abstract::Modern clearing techniques enable high resolution visualization and 3D reconstruction of cell populations and their structural details throughout large biological samples, including intact organs and even entire organisms. In the past decade, these methods have become more tractable and are now being utilized to provi...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章,评审
doi:10.1016/j.jneumeth.2020.108594
更新日期:2020-01-13 00:00:00
abstract::Brain activity often consists of interactions between internal-or on-going-and external-or sensory-activity streams, resulting in complex, distributed patterns of neural activity. Investigation of such interactions could benefit from closed-loop experimental protocols in which one stream can be controlled depending on...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2013.02.020
更新日期:2013-04-30 00:00:00
abstract::N-Acetylaspartate (NAA) is an important marker of neuronal function and viability that can be measured using magnetic resonance spectroscopy (MRS). In this paper, we proposed a method to measure NAA synthesis using proton MRS with infusion of uniformly (13)C-labeled glucose, and demonstrated its feasibility in an in v...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2008.04.001
更新日期:2008-07-15 00:00:00
abstract:BACKGROUND:The frequency-following response (FFR) is a scalp-recorded electrophysiological potential reflecting phase-locked activity from neural ensembles in the auditory system. The FFR is often used to assess the robustness of subcortical pitch processing. Due to low signal-to-noise ratio at the single-trial level, ...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2017.08.010
更新日期:2017-11-01 00:00:00
abstract::Sources of stereotaxic variability in long-tailed macaques (Macaca fascicularis) were examined by X-ray techniques. Accuracy in the vertical dimension can be improved significantly by measuring from the top of the brain rather than from the Frankfurt plane established by external bony landmarks. Even greater accuracy ...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/0165-0270(85)90029-9
更新日期:1985-04-01 00:00:00
abstract::MPScope is a software suite to control and analyze data from custom-built multiphoton laser scanning fluorescence microscopes. The acquisition program MPScan acquires, displays and stores movies, linescans, image stacks or arbitrary regions from up to four imaging channels and up to two analog inputs, while plotting t...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2006.03.001
更新日期:2006-09-30 00:00:00
abstract::The number of studies examining cognition in Huntington's disease (HD) has increased dramatically in recent decades, and cognitive research methods in HD have become much more sophisticated. In this review, we provide a summary of the advances in cognitive research in HD to date, and outline the key considerations for...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章,评审
doi:10.1016/j.jneumeth.2015.12.007
更新日期:2016-05-30 00:00:00
abstract::The increasing use of WGA-HRP as a neuroanatomical tracer has led us to examine two aspects of its uptake and transport. Microelectrophoretic deposits of WGA-HRP were centered in lamina A of the LGd to determine whether or not there is a discrepancy between the size of the deposit site and the effective uptake zone. F...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/0165-0270(84)90026-8
更新日期:1984-06-01 00:00:00
abstract::Previous neuroimaging studies of the cortical representation of gustatory and olfactory stimuli have often delivered tastants to the mouth in very small quantities or stimulated olfaction orthonasally. In studies of retro-nasal olfaction, swallowing was generally delayed to reduce head motion artefacts. The present fM...
journal_title:Journal of neuroscience methods
pub_type: 临床试验,杂志文章
doi:10.1016/j.jneumeth.2006.05.035
更新日期:2006-12-15 00:00:00
abstract::Viable neurons in brain slices are crucial for electrophysiological studies. The present study describes a new method for obtaining viable cells in several regions of the central nervous system including the ventral tegmental area, the hypothalamus, the periaqueductal grey matter and the spinal cord. The essence of th...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2006.06.006
更新日期:2006-12-15 00:00:00
abstract::Voltage-sensitive dyes (VSDs) and optical imaging are useful for studying spatiotemporal patterns of population neuronal activity in cortical tissue. Using a photodiode array and absorption dyes we were able to detect neuronal activity in single trials before it could be detected by local field potential (LFP) recordi...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/s0165-0270(01)00511-8
更新日期:2002-03-30 00:00:00
abstract::A method is described for the construction of simple, robust electrodes suitable for obtaining long-term chronic recordings of electromyogram activity from delicate muscles of small experimental animals. The electrodes are equipped with small, gold-plated barbed tips which have the form of harpoons that may be pushed ...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/0165-0270(90)90081-p
更新日期:1990-07-01 00:00:00
abstract::Research findings on human motor skills may not necessarily hold in everyday life, since laboratory and everyday scenarios typically differ with respect to the subjects' attention to the skill, their motivation to perform at their best, the goals they try to achieve, and the mode of movement initiation - extrinsic ver...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2010.08.005
更新日期:2010-10-30 00:00:00
abstract::The calculation of volume fractions in nervous tissue is a method often used in neuroanatomy. In ontogenetic studies and problems concerning aging, as well as after experimental procedures, volume fractions are calculated in order to quantify the results. Grey level index (GLI) and grey cell coefficient (GCC) are diff...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/0165-0270(82)90014-0
更新日期:1982-07-01 00:00:00
abstract::The brain is a complex neural network with interleaving functional connectivity among anatomical regions. However, current functional parcellation algorithms usually emphasize independence or orthogonality between the spatial components, with the interleaving nature underrepresented. This study investigates a method, ...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2011.05.001
更新日期:2011-07-15 00:00:00
abstract::A reliable focal cerebral ischemia model is essential in evaluating the efficacy and safety of neuroprotective therapy for stroke. We present a focal embolic ischemic model of rat with reproducible and predictable brain infarction by comparing it with two other most commonly used focal cerebral ischemia models. To pro...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/s0165-0270(02)00142-5
更新日期:2002-08-30 00:00:00
abstract:BACKGROUND:Previous studies have measured whisker movements and locomotion to characterise mouse models of neurodegenerative disease. However, these studies have always been completed in isolation, and do not involve standardized procedures for comparisons across multiple mouse models and background strains. NEW METHO...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章,评审
doi:10.1016/j.jneumeth.2019.108532
更新日期:2020-02-01 00:00:00
abstract:BACKGROUND:The sound fed to a loudspeaker may significantly differ from that reaching the ear of the listener. The transformation from one to the other consists of spectral distortions with strong dependence on the relative locations of the speaker and the listener as well as on the geometry of the environment. With th...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2018.08.025
更新日期:2018-11-01 00:00:00
abstract:BACKGROUND:The human auditory brainstem frequency-following response (FFR) is an objective measure used to investigate the brainstem's encoding ability of sounds. Traditionally, FFRs are recorded under close-field conditions (earphones), but free-field stimulations (loudspeaker) have yet to be attempted, which would in...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2017.01.016
更新日期:2017-03-15 00:00:00
abstract::Amyloid-beta (Abeta) deposits are one of the hallmarks of the neuropathological degeneration observed in Alzheimer's disease (AD) and Abeta concentrations have been reported to vary in different brain regions of AD patients. Abeta is produced by the sequential cleavage of amyloid precursor protein (APP) by beta-secret...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2006.05.001
更新日期:2006-10-30 00:00:00
abstract::The human movement analysis panel (HMAP) measures separable components of arm motion and simple and complex finger coordination. HMAP testing takes 30min to administer. In separate experiments we have validated the HMAP against the standard grooved pegboard and measures of gait speed, and demonstrated important learni...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2007.06.015
更新日期:2007-09-30 00:00:00
abstract::Licking behavior in rodents is widely used to determine fluid consumption in various behavioral contexts and is a typical example of rhythmic movement controlled by internal pattern-generating mechanisms. The measurement of licking behavior by commercially available instruments is based on either tongue protrusion int...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2005.10.023
更新日期:2006-06-15 00:00:00
abstract::The autoregressive (AR) model is widely used in electroencephalogram (EEG) analyses such as waveform fitting, spectrum estimation, and system identification. In real applications, EEGs are inevitably contaminated with unexpected outlier artifacts, and this must be overcome. However, most of the current AR models are b...
journal_title:Journal of neuroscience methods
pub_type: 杂志文章
doi:10.1016/j.jneumeth.2014.11.007
更新日期:2015-01-30 00:00:00